Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos Gols da Liga têm Gols da Copa da Liga menores que 0?
 ###Tabelas: CREATE TABLE appearances_and_goals (appearances_and_goals_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Position VARCHAR, League Apps VARCHAR, League Goals INT, FA Cup Apps VARCHAR, FA Cup Goals INT, League Cup Apps INT, League Cup Goals INT, Total Apps VARCHAR, Total Goals INT) CREATE TABLE chinese_professional_baseball_league (chinese_professional_baseball_league_id AUTO_INCREMENT PRIMARY KEY, Year INT, Winning team VARCHAR, Losing team VARCHAR, Score VARCHAR, Site VARCHAR) CREATE TABLE current_team (current_team_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Current singles ranking VARCHAR, Current doubles ranking VARCHAR, First year played INT, Ties played INT, Total W–L VARCHAR, Singles W–L VARCHAR, Doubles W–L VARCHAR) CREATE TABLE highest_number_of_six-day_victories (highest_number_of_six-day_victories_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Nationality VARCHAR, Races won INT, Races ridden INT, Win average INT) CREATE TABLE matches (matches_id AUTO_INCREMENT PRIMARY KEY, × VARCHAR, Wehdat VARCHAR, Faisaly VARCHAR, Ramtha VARCHAR, Ahli VARCHAR, Hussein VARCHAR, Jazeera VARCHAR, Amman VARCHAR, Qadisiya VARCHAR, Jeel VARCHAR, Baqaa VARCHAR)  
SELECT SUM League Goals FROM appearances_and_goals WHERE League Cup Goals < 0